Max. Capacity 1 μl/h to 10 ml/h
Max. Pressure 3 bar
HNP Mikrosysteme By-Pass Module for mzr high performance micro annular gear pumps - for consistant flow rates reaching the nanolitre range.
Flow rates in the nanoliter range starting at 1 µl/h
Customised Modular Accessory for Nanoliter flow rates for use with mzr micro annular gear pumps -
With the by-pass module constant small flow rates reaching the nanoliter range can be obtained.
The technology bases on the partitioning of flow according to the relationship of the fluidic resistance of two capillaries.
The flow is generated by a micro annular gear pump and shows a very good constancy and little pressure dependence.
This technology creates an almost pulsation-free master circulation, from which a side current is derived.
Smallest flow rates starting at 1 µl/h can be achieved.
Depending on the differential pressure and flow rate range an adjusting range of 1:100 may be obtained.
The lower limit of flow rate is defined by tuning of the two capillary tubes and can be adjusted according to customer's needs from 1 to 10,000 µl/h.
Applications of the By-Pass Module
|1 – 10,000 µl/h|
|Viscosity range||0.3 – 100 mPas|
|Pulsation||< 1 %|
capillary fittings 1/4"-28 UNF;
feed line: tubing, OD 1/8“;
master capillary: tubing, OD 1/8“;
secondary capillary: tubing, OD 1/16“
|Wetted parts||by-pass manifold adapter stainless steel 316L, optional: PEEK™; fittings and tubings: ETFE, PEEK™|
|Dimensions (L x W x H)||32 x 25 x 25 mm (By-pass block without pump)|
approx. 160 g (version 316L without pump)
approx. 50 g (version PEEK™ without pump)
|Adjustment range||1 : 100|
|Differential pressure range||0 – 3 bar|
|Maximum inlet pressure||1 bar|
|Operating temperature range||-20 ... +60 °C|
|Remark||subject to technical changes|
HNP Mikrosysteme By-Pass Module allows for flow rates in the nanoliter range starting at 1 µl/h
Advantages and benefits of adding a By-Pass Module to your HNP Mikrosysteme mzr pump
- Flow rate in Nanoliter range - flow rate from 1 µl/h to 10 ml/h
- Wide flow rate range -small-volume dispensing with a adjusting range maximum 1:100
- Low-pulsation delivery -damped flow
- Pressure resistance -generation of pressure up to 3 bar
- Customized system -for use with micro annular gear pumps mzr-2521 M2.1, mzr-2921 M2.1, mzr-2542 M2.1, mzr-2942 M2.1 or mzr-4622 M2.1